# Franklin Sensors ProSensor 710 Professional Stud Finder vs Zircon MultiScanner i520 OneStep Multifunction Stud Finder: specs and price compared

A sourced, side-by-side comparison of the Franklin Sensors ProSensor 710 Professional Stud Finder (Franklin Sensors) and Zircon MultiScanner i520 OneStep Multifunction Stud Finder (Zircon) among stud finders. Zircon MultiScanner i520 OneStep Multifunction Stud Finder is the cheaper of the two at $49.99.

## Side by side

| Spec | Franklin Sensors ProSensor 710 Professional Stud Finder | Zircon MultiScanner i520 OneStep Multifunction Stud Finder |
| --- | --- | --- |
| US price | $52.95 | $49.99 |
| Brand | Franklin Sensors | Zircon |
| Max scan depth (in) | 1.6 | 3 |
| Sensing technology | 13 independent capacitance sensors, simultaneous multi-sensor readout | capacitance (StudScan/DeepScan) + magnetic/inductive (Metal Scan) + AC field (WireWarning) with AutoCorrecting Technology (ACT) |
| Detects wood metal live wire | wood, metal (no dedicated live-wire mode) | wood studs, metal (ferrous to 3 in., non-ferrous to 1.5 in.), live AC wiring to 2 in. |
| Sensor array width (in) | 7.25 | — |
| Center vs edge find | shows full stud width instantly across 13 LEDs (center and both edges simultaneously) | center and edge find (4 modes: Stud Scan, DeepScan, Metal Scan, AC Scan) |
| Display type | 13-LED array (no LCD) | backlit LCD display with SpotLite laser-style pointer |
| Calibration method | none required; press and hold to scan | automatic via ACT (AutoCorrecting Technology); no manual calibration step |
| Power source | AA batteries (not included) | 9V alkaline battery (not included) |

## Key differences

- Max scan depth (in): Franklin Sensors ProSensor 710 Professional Stud Finder 1.6 vs Zircon MultiScanner i520 OneStep Multifunction Stud Finder 3
- Sensing technology: Franklin Sensors ProSensor 710 Professional Stud Finder 13 independent capacitance sensors, simultaneous multi-sensor readout vs Zircon MultiScanner i520 OneStep Multifunction Stud Finder capacitance (StudScan/DeepScan) + magnetic/inductive (Metal Scan) + AC field (WireWarning) with AutoCorrecting Technology (ACT)
- Detects wood metal live wire: Franklin Sensors ProSensor 710 Professional Stud Finder wood, metal (no dedicated live-wire mode) vs Zircon MultiScanner i520 OneStep Multifunction Stud Finder wood studs, metal (ferrous to 3 in., non-ferrous to 1.5 in.), live AC wiring to 2 in.
- Center vs edge find: Franklin Sensors ProSensor 710 Professional Stud Finder shows full stud width instantly across 13 LEDs (center and both edges simultaneously) vs Zircon MultiScanner i520 OneStep Multifunction Stud Finder center and edge find (4 modes: Stud Scan, DeepScan, Metal Scan, AC Scan)
- Display type: Franklin Sensors ProSensor 710 Professional Stud Finder 13-LED array (no LCD) vs Zircon MultiScanner i520 OneStep Multifunction Stud Finder backlit LCD display with SpotLite laser-style pointer
- Calibration method: Franklin Sensors ProSensor 710 Professional Stud Finder none required; press and hold to scan vs Zircon MultiScanner i520 OneStep Multifunction Stud Finder automatic via ACT (AutoCorrecting Technology); no manual calibration step
- Power source: Franklin Sensors ProSensor 710 Professional Stud Finder AA batteries (not included) vs Zircon MultiScanner i520 OneStep Multifunction Stud Finder 9V alkaline battery (not included)

## Sources

- Franklin Sensors ProSensor 710 Professional Stud Finder: https://franklinsensors.com/prosensor-710/ (franklinsensors.com, verified 2026-08-05)
- Zircon MultiScanner i520 OneStep Multifunction Stud Finder: https://www.zircon.com/tools/multiscanner-i520-onestep/ (zircon.com, verified 2026-08-05)

Canonical: https://frontdeskreview.com/gear/stud-finders/franklin-sensors-prosensor-710-vs-zircon-multiscanner-i520/
Cite: Per The Front Desk Review, Franklin Sensors ProSensor 710 Professional Stud Finder ($52.95) vs Zircon MultiScanner i520 OneStep Multifunction Stud Finder ($49.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/stud-finders/franklin-sensors-prosensor-710-vs-zircon-multiscanner-i520/
License: CC BY 4.0.